19989228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{237967}}^1$

素因数の和:237981

約数の個数: 24

約数和(自身を含む): 53304832

約数和(自身を除く): 33315604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 237967, 475934, 713901, 951868, 1427802, 1665769, 2855604, 3331538, 4997307, 6663076, 9994614, 19989228]

約数ペア:

[(1, 19989228), (2, 9994614), (3, 6663076), (4, 4997307), (6, 3331538), (7, 2855604), (12, 1665769), (14, 1427802), (21, 951868), (28, 713901), (42, 475934), (84, 237967)]